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Feedback is a common practice used in the pork industry where infected deceased pigs and their manure are fed to breeding pigs. It is also called controlled oral exposure or sometimes oral controlled exposure. It is done in an attempt to make the breeding pigs garner some degree of immunity to circulating diseases. [1]
The natural habitat of S. suis in pigs is the upper respiratory tract, particularly the tonsils and nasal cavity, and the alimentary and genital tracts. An individual pig can carry more than serotype in their nasal cavity. Incidence of disease varies but is usually less than 5%.
Pig farming, pork farming, or hog farming is the raising and breeding of domestic pigs as livestock, and is a branch of animal husbandry. Pigs are farmed principally for food (e.g. pork: bacon, ham, gammon) and skins. Pigs are amenable to many different styles of farming: intensive commercial units, commercial free range enterprises, or ...
Free State University, Faculty of Natural and Agricultural Sciences; Stellenbosch University, Faculty of AgriSciences; Elsenburg Agricultural Training College, [11] Western Cape Government, Department of Agriculture; Nelson Mandela Metropolitan University, Department of Agriculture; University of Fort Hare, Faculty of Science and Agriculture
Porcine epidemic diarrhea is a condition caused by the porcine epidemic diarrhea virus that leads to severe gastrointestinal disease in pigs. It is closely related to the agent responsible for transmissible gastroenteritis in pigs. Piglets are most susceptible to the disease, as are young adults during periods of stress.
Carrier pigs are usually responsible for the introduction of SIV into previously uninfected herds and countries, so new animals should be quarantined. [19] After an outbreak, as immunity in exposed pigs wanes, new outbreaks of the same strain can occur. [2]
Intensive animal farming, industrial livestock production, and macro-farms, [1] also known as factory farming, [2] is a type of intensive agriculture, specifically an approach to animal husbandry designed to maximize production while minimizing costs. [3]
Animal husbandry is the branch of agriculture concerned with animals that are raised for meat, fibre, milk, or other products. It includes day-to-day care, management, production, nutrition, selective breeding, and the raising of livestock.